Telephone base unit



FIG. 1 is a front perspective view of a telephone base unit of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of environmental structures is for illustrative purposes only and forms no part of the claimed design.

All portions of the drawing to which surface shading has been applied are part of the claimed design. 

We claim the ornamental design for a telephone base unit, as shown and described. 